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[PCGH] Maxwell GTX 880 specifications leaked - Page 10  

post #91 of 481
Quote:
Originally Posted by MxPhenom 216 View Post

Sweet, now once it releases, watch people buy it, then ill take a 780 off their hands, SLI till 2nd generation Maxwell is out, or Pascal.

This is also what I'm considering. thumb.gif

Quote:
Originally Posted by ZealotKi11er View Post

Will probably be ~ $500. Should be faster then GTX780 since it more cores.
Memory should be fine really. Yes its true we need better card for $500 but this is the best we will get.

More cores != more performance. Haswell i5 vs Vishera octacore comes to mind, but these are GPUs. I suppose the 580 to 680 is a good comparison. The core count tripled, but performance did not.

Quote:
Originally Posted by Usario View Post

256-bit? A bit surprising, but I guess they can pull it off, especially considering the GTX 750 Ti's performance with 128-bit being damn near the 256-bit 7850 and the fact that they're using 7400MHz memory.

If these are the real specs though, if AMD decides to produce another big-die Hawaii-type chip, I just can't see NVIDIA winning this round. If AMD reverts back to a Tahiti or Cypress-type die size though there might be some heated competition.

Bandwidth isn't the whole story of performance though. 750Ti and 7850/R7 265 are low-end enough that that doesn't matter too much.

Definitely, but heat will be a huge issue unless they release Pirate Islands more reasonably clocked or the node shrink helps significantly.
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post #92 of 481
and people mocked us when we said they would follow the 6xx/7xx series release to a T.

OK. For serious this time... We are getting closer, so things like this will become more & more common to see. Seeing as this is one of the first "leaks" on the 880, it is likely 100% based in lalaland.

I do believe that Nvidia will follow the same format as 6xx/7xx, but I also believe the 880 will be ~20% faster than the 780Ti @ ~500-600$.
Edited by skupples - 4/9/14 at 1:49pm
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post #93 of 481
Sounds fishy in quite a few respects.

First, can somebody find me a source that claims faster than 7 Ghz GDDR5 is in production ? A GPU can't just ship with overclocked VRAM, GPU vendors are highly averse to doing that, most that ship overclocked GPUs do the GPU core part and leave the VRAM untouched.

Second, 20nm ? When ? All the rumours point to the fact 20nm isn't ready for high powered GPUs yet.

Third, 3200 CUDA cores ? Why ? According to Nvidia, 128 Maxwell CUDA cores have 90% of the performance of 192 Kepler CUDA cores, so a GPU with 3200 cores would have the equivalent of 50% more CUDA cores compared to the GTX 780 Ti, and be quite a bit faster than it, possibly 40%. Considering that the GTX 680 was only 19% faster (26% now) than the GTX 580 at launch, I find this hard to believe.

It would be the same as having a Kepler card with 4320 Kepler cores. Honestly, this sounds too good to be true. Either that or the scaling at the high-end isn't as good as the current Maxwell parts suggest.
Edited by tpi2007 - 4/9/14 at 1:59pm
 
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post #94 of 481
Quote:
Originally Posted by fleetfeather View Post

I feel a GTX 880 Ultra coming

#throwback

I wouldn't mind a GTX 880 Ultra if only it could live up to the hype. wink.gif

The GTX 8800 was a beast.
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post #95 of 481
Quote:
Originally Posted by tpi2007 View Post

Sounds fishy in quite a few respects.

First, can somebody find me a source that claims faster than 7 Ghz GDDR5 is in production ? A GPU can't just ship with overclocked VRAM, GPU vendors are highly averse to doing that, most that ship overclocked GPUs do the GPU core part and leave the VRAM untouched.

Second, 20nm ? When ? All the rumours point to the fact 20nm isn't ready for high powered GPUs yet.

Third, 3200 CUDA cores ? Why ? According to Nvidia, 128 Maxwell CUDA cores have 90% of the performance of 192 Kepler CUDA cores, so a GPU with 3200 cores would have the equivalent of 50% more CUDA cores compared to the GTX 780 Ti, and be much faster than it, more than 40%. Considering that the GTX 680 was only 19% faster (26% now) than the GTX 580 at launch, I find this hard to believe.

It would be the same as having a Kepler card with 4320 Kepler cores. Honestly, this sounds too good to be true. Either that or the scaling at the high-end isn't as good as the current Maxwell parts suggest.

I would not expect core to space like that. GTX750 Ti power improvement and small die comes partly because of 128-Bit. If they use 384-Bit on GTX880 it will be a big die.
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post #96 of 481
Quote:
Originally Posted by ZealotKi11er View Post

I would not expect core to space like that. GTX750 Ti power improvement and small die comes partly because of 128-Bit. If they use 384-Bit on GTX880 it will be a big die.


I doubt they will use a 384-bit memory bus, 320-bit at most. L2 cache does the rest.

Still, I don't know where they got 7.4 Ghz VRAM. Nothing higher than 7 Ghz GDDR5 exists. And I highly doubt GPU vendors and Nvidia will take the risk upon themselves to ship 'stock' GPUs with VRAM running above spec.
Edited by tpi2007 - 4/9/14 at 4:19pm
 
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post #97 of 481
Quote:
Originally Posted by MeanBruce View Post

You Rock at editing pictures. thumb.gif

I'll take that with a new Rampage 5 Extreme Black On Black Edition.

with inconspicuous unfocused undetermined unmarked helicopter behind the mobo red background LED's. yeah baby biggrin.gif


...
...but, but you'll have to be a scientist to do that. thumb.gif
post #98 of 481
256bit

this thing will suck at high resolutions.
 
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post #99 of 481
I find the op specs over-optimistic, and ppl who complain wanting more from a "mid range" or more correctly 1st gen maxwell product, a bit silly.

25x SMM is a "big maxwell" possibility, doubt will be on their mainstream card.
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post #100 of 481
Quote:
Originally Posted by azanimefan View Post

256bit

this thing will suck at high resolutions.
Maxwell's caches make it more effecient in terms of memory bandwith
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